615061 has 8 divisors (see below), whose sum is σ = 645120. Its totient is φ = 585648.

The previous prime is 615053. The next prime is 615067. The reversal of 615061 is 160516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 615061 - 2³ = 615053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (615067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3600 + ... + 3766.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2⁶¹⁵⁰⁶¹ is an apocalyptic number.

It is an amenable number.

615061 is a deficient number, since it is larger than the sum of its proper divisors (30059).

615061 is a wasteful number, since it uses less digits than its factorization.

615061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 615061 is about 784.2582482831. The cubic root of 615061 is about 85.0431614707.

Adding to 615061 its reverse (160516), we get a palindrome (775577).

The spelling of 615061 in words is "six hundred fifteen thousand, sixty-one".